(55+x)/2=40

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Solution for (55+x)/2=40 equation: 



(55+x)/2=40

We move all terms to the left:

(55+x)/2-(40)=0

We add all the numbers together, and all the variables

(x+55)/2-40=0

We multiply all the terms by the denominator


(x+55)-40*2=0

We add all the numbers together, and all the variables

(x+55)-80=0

We get rid of parentheses

x+55-80=0

We add all the numbers together, and all the variables

x-25=0

We move all terms containing x to the left, all other terms to the right

x=25

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